42323

Run ID	Author	Problem	Lang	Verdict	Time	Memory	Code Length	Submit Time
42323	zhangchunhong	组合	C++	Accepted	0 MS	240 KB	114	2024-02-25 11:30:33

#include<iostream> using namespace std; int main() { int n,m; cin>>n>>m; cout<<n*m-n-m; return 0; }